Morley Water Hardness & Quality Report (2026)
Water Hardness
Source
mixed
pH Level
8.3
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
700.6 mg/L
Est. Daily Cost
A$0.75
energy & soap waste
Source: BOM National Performance Report & ADWG · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Morley, your appliances are currently losing 32% efficiency due to mineral buildup.
| Appliance | In Morley | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.8 yrs | 8.5 yrs | -79% |
| Washing Machine | 4.8 yrs | 12 yrs | -60% |
| Water Heater | 6.1 yrs | 15 yrs | -59% |
Regional Water Comparison
How Morley compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Morley, Western Australia | 237 mg/L | 🔴 Very Hard | mixed |
| Bayswater, Western Australia | 111 mg/L | 🟡 Moderately Hard | mixed |
| Dianella, Western Australia | 234.5 mg/L | 🔴 Very Hard | mixed |
| Bassendean, Western Australia | 136 mg/L | 🟠 Hard | mixed |
| Maylands, Western Australia | 137.5 mg/L | 🟠 Hard | mixed |
National Benchmark
How Morley compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Morley | 237 mg/L | 🔴 High |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Morley's Water Unique?
Local geology and source profile
Morley's drinking water is supplied by the Water Corporation via the Integrated Water Supply Scheme (IWSS), blending Gnangara Mound limestone groundwater with desalinated supply for the Bayswater LGA inner north-eastern Perth metropolitan distribution in Western Australia. Water hardness in Morley is measured at 237 mg/L — classified as hard, significantly exceeding the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. The elevated TDS of 700.6 mg/L reflects the dominant Gnangara Mound limestone groundwater character in the local IWSS supply blend for this established inner north-eastern Perth suburb.
Morley's hard, high-TDS supply directly reflects the Tamala Limestone groundwater character of the Gnangara Mound. The Gnangara groundwater system percolates through the Superficial Aquifer and Tamala Limestone — the porous Eocene carbonate formation underlying the Swan Coastal Plain — where calcium carbonate and associated salts dissolve readily over extended groundwater residence periods. The inner north-east Bayswater LGA distribution corridor receives an IWSS blend with a high groundwater proportion, producing elevated hardness and TDS values consistent with the broader pattern of Perth's limestone aquifer supply zones well above the ADWG aesthetic threshold.
Morley residents deal with significant daily limescale accumulation on taps, shower screens, and in kettles — descaling every two to three weeks is common. Solar hot water systems common throughout Perth's sunny climate accumulate heavy scale in storage and collector tubes; annual servicing is strongly recommended. Under WA water restrictions, garden irrigation is limited to two days per week. The elevated lead reading (0.005 mg/L) warrants briefly running the cold tap before use in older homes. The Water Corporation provides water quality information at watercorporation.com.au, with all ADWG health standards met throughout the Bayswater inner north-east supply zone.
Geology & Source: Supplied by the Water Corporation via the Integrated Water Supply Scheme from Gnangara Mound limestone groundwater blended with desalinated supply — the Morley Bayswater inner north-east Perth distribution carries hard water at 237 mg/L with elevated TDS of 700.6 mg/L, reflecting the dominant Tamala Limestone Gnangara Mound groundwater in the inner north-east Perth IWSS supply blend.